84 105SL User Guide 6/4/2004 11342L Rev. 8
Troubleshooting
Communications
Communications
Table 13 identifies problems with communications, the possible causes, a nd the recommended
solutions.
Table 13 • Communications Problems
Problem Possible Cause Recommended Solution
A label format was
sent to the printer but
not recognized. The
DATA light does not
flash.
The communication parameters
are incorrect.
Check the printer driver or software
communications settings (if applicable).
Check the printer host port setting via the front
panel (see page 44). Select t he port th at matches th e
one being used by the host computer.
Ensure you are using the correct communication
cable. See Cable Requirements on page 15.
Via the front panel, check the protocol setting. It
should be set to NON E. See PROTOCOL
on page 52.
Ensure that the correct driver is being used, if
applicable.
A label format was
sent to the pr inter.
Several labels print,
then the printer skips,
misplaces, misses, or
distorts the image on
the label.
The host computer is set to EPP
parallel communications.
Change the settings on the host computer to
standard parallel communications.
The serial communication
settings are incorrect.
Ensure that the flow control settings match.
Check the communication cable length. See Cable
Requirements on page 15.
Check the printer driver or software
communications settings (if applicable).
A label format was
sent to the printer but
not recognized. The
DAT A light flashes but
no printin g occurs.
The prefix and delimiter
characters set in the printer do
not match the ones in the label
format.
Verify the prefix and delimiter characters. See
FORMAT PREFIX on page 53 and DELIMITER
CHAR on page 53.
Incorrect data is b eing sent to the
printer.
Ensure that ZPL is being used.
Check the communication settings on the host
computer. Ensure that they match the printer
settings.
The printer fa ils to
calibrate or detect the
top of the label.
The printer was not calibrated for
the label being used.
Perform the calibration procedure in Media and
Ribbon Sensor Ca libration on page 36.
The printer is configured for
continuous media.
Set the media type to non-continuous media.
The driver or software
configuration is not set correctly.
As driver or software settings produce ZPL
commands that can overwrite the printer
configuration, check the driver or software media-
related setting.
